Square watch case



FIG. 1 is a top plan view of a square watch case, showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top elevational view;

FIG. 6 is a bottom elevational view thereof; and,

FIG. 7 is a top right-side perspective view thereof. 

The ornamental design for a square watch case, as shown and described. 